package com.kunpeng.weibo.tencent.utils;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.Socket;
import java.net.URL;
import java.net.URLDecoder;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.HttpHost;
import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.params.ConnRouteParams;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;

import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.net.wifi.WifiManager;
import android.os.Bundle;

public class Utils {

	private static final int	SET_CONNECTION_TIMEOUT	= 50000;
	private static final int	SET_SOCKET_TIMEOUT		= 200000;

	public static HttpClient getNewHttpClient() {
		try {
			KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
			trustStore.load(null, null);

			SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
			sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

			HttpParams params = new BasicHttpParams();

			HttpConnectionParams.setConnectionTimeout(params, 10000);
			HttpConnectionParams.setSoTimeout(params, 10000);

			HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
			HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);

			SchemeRegistry registry = new SchemeRegistry();
			registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
			registry.register(new Scheme("https", sf, 443));

			ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);

			// Set the default socket timeout (SO_TIMEOUT) // in
			// milliseconds which is the timeout for waiting for data.
			HttpConnectionParams.setConnectionTimeout(params, SET_CONNECTION_TIMEOUT);
			HttpConnectionParams.setSoTimeout(params, SET_SOCKET_TIMEOUT);
			HttpClient client = new DefaultHttpClient(ccm, params);
			return client;
		} catch (Exception e) {
			return new DefaultHttpClient();
		}
	}

	public static class MySSLSocketFactory extends SSLSocketFactory {
		SSLContext	sslContext	= SSLContext.getInstance("TLS");

		public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
			super(truststore);

			TrustManager tm = new X509TrustManager() {
				public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {}

				public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {}

				public X509Certificate[] getAcceptedIssuers() {
					return null;
				}
			};

			sslContext.init(null, new TrustManager[] { tm }, null);
		}

		@Override
		public Socket createSocket(Socket socket, String host, int port, boolean autoClose) throws IOException, UnknownHostException {
			return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
		}

		@Override
		public Socket createSocket() throws IOException {
			return sslContext.getSocketFactory().createSocket();
		}
	}

	/**
	 * Get a HttpClient object which is setting correctly .
	 * 
	 * @param context : context of activity
	 * @return HttpClient: HttpClient object
	 */
	public static HttpClient getHttpClient(Context context) {
		BasicHttpParams httpParameters = new BasicHttpParams();
		// Set the default socket timeout (SO_TIMEOUT) // in
		// milliseconds which is the timeout for waiting for data.
		HttpConnectionParams.setConnectionTimeout(httpParameters, SET_CONNECTION_TIMEOUT);
		HttpConnectionParams.setSoTimeout(httpParameters, SET_SOCKET_TIMEOUT);
		HttpClient client = new DefaultHttpClient(httpParameters);
		WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
		if (!wifiManager.isWifiEnabled()) {
			// 获取当前正在使用的APN接入点
			Uri uri = Uri.parse("content://telephony/carriers/preferapn");
			Cursor mCursor = context.getContentResolver().query(uri, null, null, null, null);
			if (mCursor != null && mCursor.moveToFirst()) {
				// 游标移至第一条记录，当然也只有一条
				String proxyStr = mCursor.getString(mCursor.getColumnIndex("proxy"));
				if (proxyStr != null && proxyStr.trim().length() > 0) {
					HttpHost proxy = new HttpHost(proxyStr, 80);
					client.getParams().setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
				}
				mCursor.close();
			}
		}
		return client;
	}

	/**
	 * Parse a URL query and fragment parameters into a key-value bundle.
	 * 
	 * @param url the URL to parse
	 * @return a dictionary bundle of keys and values
	 */
	public static Bundle parseTencentUrl(String url) {
		// hack to prevent MalformedURLException
		url = url.replace("weiboconnect", "http");
		try {
			URL u = new URL(url);
			Bundle b = decodeUrl(u.getQuery());
			//            b.putAll(decodeUrl(u.getRef()));
			return b;
		} catch (MalformedURLException e) {
			return new Bundle();
		}
	}

	public static Bundle decodeUrl(String s) {
		Bundle params = new Bundle();
		if (s != null) {
			String array[] = s.split("&");
			for (String parameter : array) {
				String v[] = parameter.split("=");
				params.putString(URLDecoder.decode(v[0]), URLDecoder.decode(v[1]));
			}
		}
		return params;
	}
}
